Dell Latitude 7390 System Guide
Résumé: This article contains links to how-to guides, and useful information about your computer.
Symptômes
Expand Each Section Below for Information About Using Your Dell Latitude 7390.
Getting to know your computer:
A link to the System Manual can be found here:
This section provides links to information about locations of connectors and ports, images of your computer, and helps you to get started with your computer.
- Dell Latitude 7390 Visual Guide
- Dell Latitude 7390 Keyboard Guide
- A Guide to Docking Stations and Port Replicators on Dell Laptops
Installation Options:
This section covers the supported Operating System reinstallation options for your computer. See the tabs below to find out more information.
Microsoft Windows
For information about the various Windows operating system versions, click the following link:
Drivers:
This section gives information about drivers and the required order of installation for the various.
Windows Operating System versions supported on your Dell computer.
Driver Installation Order:
Installing Drivers with the Resource CD/DVD:
Identifying any Drivers that are not covered in the Install Order:
Ubuntu Linux
For information about Ubuntu Linux on your computer see the following link:
- Frequently Asked Questions about the Ubuntu Linux operating system on your Dell Computer
- How to Install Ubuntu Linux on your Dell Computer
- How to Install Ubuntu and Windows 8 Through Windows 11 as a Dual Boot on your Dell Computer
For Further information, you can also see the Ubuntu Website:
System Backup and Recovery
This section provides information about the Backup and Recovery options for your computer.
Unless you specified Recovery Media in your order, your Windows 10 computer does not come with a recovery USB Flash Drive or Discs. For information about creating recovery media for your computer if there is a catastrophic computer failure, follow the link below:
- Create Windows 10 Recovery media for your Dell computer
- Create Windows Installation Media for Windows 8.1 and Windows 10 using the Media Creation Tool
Windows Recovery Environment (WinRE)
On factory installed Windows 10 computers, WinRE allows you to restore your computer back to the original factory state. For more information see the link below:
Dell Recovery Image of Microsoft Windows
You can also download a recovery image of the Microsoft Windows Operating System that is customized for your Dell product from the Dell support site.
Dell Backup and Recovery (DBAR)
For computers prior to Windows 10, DBAR is a flexible automated backup and recovery application which is designed to reliably protect your most important digital documents and memories in a few clicks.
Unless you specified Recovery Media in your order, your computer does not come with a recovery USB Flash-Drive or Discs, you can also use the DBAR application to make recovery media for your computer if there is a catastrophic computer failure.
More information can be found out from the Dell Backup and Recovery Support page:
For information about computers that have been upgraded to Windows 10, see the following article:
Further general information about recovering Windows can be found in the following article:
Dell SupportAssist for PCs and Tablets:
SupportAssist provides computer updates, detects issues, and sends you alerts based on your device, which makes solving and preventing problems easier than ever. This application gives you access to everything you must have to take the guesswork out of maintaining PCs and tablets. For more information and installation instructions see the following link:
Diagnostics and Error Codes:
This section provides links to articles about diagnostics and the various error messages, beep codes, and Diagnostic LED codes that can help to troubleshoot potential hardware and software issues on your computer.
- Using the ePSA or PSA Diagnostics and a Guide to Error Codes
- Diagnostic and Battery Indicators for Latitude Notebooks and Tablets
- Help With Troubleshooting System Lock Ups or Freezes
- Identify and Troubleshoot Windows Crashes and Restarts caused by Blue Screen (Crash Screen) errors
- Troubleshoot Slow Performance Issues on a Dell PC
You can also use the diagnostics that are on the Dell Support page, this requires Dell System Detect & SupportAssist to be installed on your computer. This is performed if you choose to run the diagnostics. You can get to those diagnostics by following the link below:
Hardware:
The section below provides links to articles that contain information about the different hardware on your computer. They can help you to troubleshoot any problems that are identified using the above diagnostics. There are also general "How to" articles that can help with tasks, for example like updating the BIOS or upgrading a hard drive.
AC Adapter and Battery
- Checking Battery Health Status on Dell Laptops and Notebooks
- How to improve your laptop battery's performance
Audio
- A guide to identifying the source of abnormal noises on a Dell PC
- Why is the volume low when I plug my headphones directly into the sound card jack?
- How to fix problems with speakers emitting unwanted noise
- How to Troubleshoot and Resolve a No Audio issue with a Latitude PC
BIOS and Motherboard
- What is BIOS and How to Check and Update the System Setup or BIOS on Your Dell System
- How to Perform a BIOS or CMOS Reset and/or Clear the NVRAM on your Dell System
- How to resolve a signed BIOS firmware message on a Dell Latitude, Precision or OptiPlex system
Fan and Overheating Issues
- How to troubleshoot an Overheating, Shutdown or Thermal issue on a Dell PC
- A guide to identifying the source of an Abnormal Noise on a Dell PC
Hard Drive Issues
Input Devices Issues
- Keyboard Usage and Troubleshooting Guide
- Mouse Usage and Troubleshooting Guide
- Touchpad Usage and Troubleshooting Guide
Memory
- How to Troubleshoot and Resolve Memory issues with a Dell Notebook PC
- Latitude: Memory compatibility guide
- What is DDR3L memory?
Networking, Wi-Fi, Bluetooth
- Dell Networking and Wireless Support Center
- How to Troubleshoot and Resolve any Wired NIC issues with a Dell Latitude PC
- A list of various "How To" Network and Wi-Fi Troubleshooting articles for Dell computers
- Troubleshooting Guide for Bluetooth issues on your Latitude Dell PC
No POST, No Power
- No Power, No POST, No Boot or No Video issues with your Dell Computer
- How to Troubleshoot a No Power Issue on a Latitude Notebook PC
Optical Drive
Ports, Port Replicators, and Docking Stations
- Troubleshooting Ports on your Dell Latitude PC
- A Guide to the External Ports and Connectors on a Dell Computer
- A guide to Docking Stations and Port Replicators on Dell Laptops
Video Issues
Other Software, Security and Encryption, and Anti-virus:
This section covers the Software that is supported on your computer, it also has links to information about Security and Encryption, and anti-virus.
See the tabs below to find out more information.
Software
Your computer is shipped with some preinstalled applications and software which are designed to make your life easier. This section contains links to information about these.
To access the Dell Download Center, click the following link:
To access the Dell Application and Software Page click the following link:
Software sold with your computer:
This section provides information about some of the software that is preinstalled and sold with your computer.
Some of the software that is sold at the time of purchase has to be downloaded once you receive your computer.
This is achieved by using Dell Digital Delivery, for more info see the links below:
Adobe
Microsoft
Skype
Security and Encryption
This section contains links to information about Security and Encryption on your Dell system.
Dell Data Protection | Access (DDPA)
Anti-virus
To access the Dell Security and Virus Support Page click on the following link:
Your computer may be preinstalled with an anti-virus program, for more information, follow the link below.
For further information about Viruses, Spyware and Malware more information can be found by following the links below:
- What are the different types of Viruses, Spyware and Malware that can infect my computer
- Protect your computer or remove virus, spyware or other malware in Microsoft Windows
- How to Identify and Repair Malware or Virus Infected Systems
If You Require Assistance on a Topic Not Covered in This Guide, Please Use the Search Box at the Top Right of This Page to Find Further Help
Cause
Résolution
Out of warranty? No problem. Browse to the Dell.com/support website and enter your Dell Service Tag and view our offers.